STUMPF, Simon. Simon Stumpf on Early Changemaking: "In the World Today, We Will All Be Called upon to Lead at Some Point". Social Innovations Journal, [S. l.], n. 36, 2017. Disponível em: https://socialinnovationsjournal.com/index.php/sij/article/view/12424. Acesso em: 11 may. 2026.